The initial step to the whole process of teeth whitening is to book a visit to the dentist. Dental clinics such as https://hamiltonmountaindental.ca/ make it very clear that teeth whitening cannot be performed on all patients. Some people have fillings that are large in size or a cap in their frontal teeth. It is best not recommended to execute teeth whitening more here on these people. The chemical substances used during the treatment only mean to whiten the natural teeth and not restorations and crowns. Crowns or dental restorations are composed of composite material, porcelain, or ceramic, and whitening them can cause discoloration. The actual results seen of whitening are more on those teeth that have discoloration of yellow and not much on gray or brown. Teeth mainly exposed to antibiotics containing tetracycline during the age of 8, while development is still in progress.
Pre-Preparation to the Bleaching Process
Once the above step is over, the dentist moves on to giving the actual appointment for the process of teeth bleaching. During the appointment, the patient sits on the dental chair comfortably, and then the doctor introduces a retractor for the lips. The lip retractor is only a guide that is in plastic that helps the lips not be in the way to access the teeth easily. The next step is when the dental doctor applies a gel in the gums that hold the frontal teeth and then using a large caliber light; the gel gets hardened. This process is called the gingival barrier that serves as a protection to the gums during the complete bleaching process. Another substance is also applied to the tooth to prevent sensitivity during the whitening.
The Actual Teeth Whitening Process
First, the dentist covers the frontal tooth with a gel consisting of hydrogen peroxide in the range 15 to 35%. Hydrogen peroxide can make the teeth’s outer layer porous and crack the stains through the process of oxidation. The whitening gel application depends on the system used, succeeded by highly intensified light that assists in speeding up the whole process. Almost all systems engage the use of gel applied numerous times all through the session. Within 40 minutes, the doctor rinses off the already existing layer of gel and applies a new coat. Upon completion, there will be a vast difference in the shade of the teeth, achieving a result of 4-6 times whiter. Many patients experience sensitivity in both gums and teeth during, but usually, it slowly fades off within two to three days post-whitening.
Whitening Process Longevity
Generally, the time limit that every whitening lasts for is a few months to a maximum of one year. This depends solely on habits such as smoking, drinking, food habits, etc., allowing the stains to return. Certain dentists recommend a home kit to maintain fresh and whitened teeth. The kit consists of trays that are custom made to fit the teeth structure along with gel used for whitening. The tray is lined with the whitening gel and worn as a covering around the teeth. The tray stays for a few hours every day.